package com.example.myblog_sm.config;

import com.example.myblog_sm.common.AppVar;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LoginIntercept implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if(session != null && session.getAttribute(AppVar.SESSION_USERINFO_KEY) != null){
            return true;
        }
        //直接跳转到登录页面
        response.sendRedirect("/login.html");
        return false;
    }

}
